STMicroelectronics provides a recommended PCB layout in the application note AN4846, which includes guidelines for component placement, thermal management, and routing to minimize electromagnetic interference (EMI) and ensure reliable operation.
The input capacitor value depends on the input voltage, output voltage, and switching frequency. A general guideline is to use a capacitor with a value between 10uF to 22uF, with a voltage rating of at least 1.5 times the input voltage. Consult the application note AN4846 for more detailed guidance.
The VND3NV0413TR is rated for operation up to 150°C, but the maximum ambient temperature for reliable operation depends on the specific application and cooling conditions. As a general guideline, it's recommended to keep the ambient temperature below 125°C to ensure reliable operation and minimize thermal stress.
To ensure EMC compliance, follow the guidelines in the application note AN4846, which includes recommendations for PCB layout, component selection, and shielding. Additionally, consider using a metal shield or a Faraday cage to enclose the device, and ensure that the device is properly grounded.
The recommended output capacitor value depends on the output voltage and load current. A general guideline is to use a capacitor with a value between 10uF to 47uF, with a voltage rating of at least 1.5 times the output voltage. Ceramic or polymer capacitors are recommended due to their low equivalent series resistance (ESR) and high reliability.
VND3NV0413TR datasheet
by STMicroelectronics
